anonymous
  • anonymous
find the quadratic equation that fits the following data points {(5,246),(-1,0)(4,160)}
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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amistre64
  • amistre64
i dont understand the notation
amistre64
  • amistre64
is that just 3 points?
amistre64
  • amistre64
i got something I made just for this lol

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More answers

anonymous
  • anonymous
{(5,246),(-1,0),(4,160)}
amistre64
  • amistre64
1 Attachment
amistre64
  • amistre64
we plug the points in and it spits a quad at us
anonymous
  • anonymous
ok but what do i plug in
amistre64
  • amistre64
9x^2 + 5x -4
amistre64
  • amistre64
the data points
amistre64
  • amistre64
1 Attachment
anonymous
  • anonymous
where did u get 9x^2+5x-4
amistre64
  • amistre64
well, I programed it to perform all that tedious calculations that I would do by hand from the data points and then tell me what I would have come to as a result
anonymous
  • anonymous
i see u did the work for me
amistre64
  • amistre64
its alot of solving for a system of equations in 3 variables
anonymous
  • anonymous
thats what i was trying to do it sucks i always get stuck on whether to multiply (4) and (5)
anonymous
  • anonymous
so to write it in standard y=a^2+bx+c would be y=9x^2+5x-4
amistre64
  • amistre64
the equations are: 5^2a +5b +c =246 -1^2a -1b +c = 0 4^2a +4b +c =160
amistre64
  • amistre64
yes
anonymous
  • anonymous
great
anonymous
  • anonymous
as usuall your a genious

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